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PIC16F819 18-Pin 2kB Microcontroller Datasheet
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Product Details |
The Microchip PIC16F819 Microcontroller is an inexpensive 18-pin
8-bit PIC Microcontroller with 2K Flash Program Memory and
a Five Channel 10-bit Accuracy A/D Converter.
The PIC16F819 microcontroller has a total of 16 I/O pins with
individual direction control and the ability to drive LEDs directly.
Features
- High-Performance RISC CPU
- - Only 35 single word instructions to learn
- - All instructions are single cycle (1µs) except for program branches
- - Operating speed: DC - 20MHz clock input
- - 2K Flash Program Memory
- - 256 Byte RAM Data Memory
- - 256 Byte EEPROM Data Memory
- - In-circuit Serial Programming
- Peripheral Features
- - Two 8-bit timer/counter(TMR0,TMR2) with 8-bit programmable prescalar
- - One 16 bit timer/counter
- - High current source/sink for direct LED drive
- - Five Channel, 10-bit Analog-to-Digital Converter
- - Capture/Compare PWM (CCP) Module
- - Synchronous Serial Port with SPI and I²C
- Special Microcontroller Features
- - Power-On Reset
- - Power-up Timer (PWRT) and Oscillator Start-Up Timer (OST)
- - Brown-out Detect (BOD)
- - Watchdog Timer with separate RC oscillator
- - 1,000 erase/write cycles Enhanced Flash Program Memory
- - 1,000,000 typical erase/write cycles EEPROM Data Memory
- - Selectable Oscillator Options
- CMOS Technology
- - Low power, high speed CMOS FLASH technology
- - Fully Static Design
- - Low Power Consumption
- I/O and Packages
- - 16 I/O pins with individual direction control
- - 18-pin DIP
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Pin Layout |
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Pin Description |
Pin Number
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Description
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1
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RA2/AN2/VREF - Port A
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2
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RA3/AN3/VREF+ - Port A
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3
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RA4/AN4/T0CKI - Port A
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4
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RA5/MCLR/VPP - Port A
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5
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Vss - Ground
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6
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RB0/INT - Port B
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7
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RB1/SDI/SDA - Port B
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8
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RB2/SDO/CCP1 - Port B
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9
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RB3/CCP1/PGM - Port B
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10
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RB4/SCK/SCL - Port B
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11
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RB5/SS - Port B
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12
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RB6/T1OSO/T1CKI/PGC - Port B
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13
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RB7/T1OSI/PGD - Port B
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14
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Vdd - Positive Power Supply
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15
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RA6/OSC2/CLKO - Port A
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16
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RA7/OSC1/CLKI - Port A
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17
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RA0/AN0 - Port A
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18
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RA1/AN1 - Port A
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Dimensional Drawing |
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Technical Data |
Datasheet
Application Notes
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